Intestinal Parasitic Infections Quiz
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Questions and Answers

Which type of parasitic disease is caused by Entamoeba histolytica?

  • Trematode fluke infections
  • Extraintestinal protozoa
  • Intestinal protozoa (correct)
  • Helminth infestations

    • Which parasitic infection is caused by Ascaris lumbricoides?

  • Roundworm (correct)
  • Hookworm
  • Tapeworm
  • Pinworm

    • Which parasitic disease is considered a sexually transmitted infection?

  • Giardia lamblia
  • Malaria
  • Ancylostoma duodenale
  • Trichomoniasis (correct)

    • Which parasitic infection is also known as Pinworm?

    <p>Enterobius vermicularis</p> Signup and view all the answers

    Which parasite is widely distributed in the Mediterranean basin, India, China, Japan, and the Pacific coastal areas of South America?

    <p>Ancylostoma duodenale</p> Signup and view all the answers

    What is the transmission mode of Ancylostoma duodenale?

    <p>Penetration of the skin by the larvae</p> Signup and view all the answers

    What are the clinical presentations of hookworm infection?

    <p>Focal pruritic maculopapular rash at site of penetration, mild cough, acute GI symptoms, chronic nutritional impairment</p> Signup and view all the answers

    What is a complication of hookworm infection?

    <p>Iron-deficiency anemia</p> Signup and view all the answers

    How is hookworm infection diagnosed?

    <p>Stool sample with oval hookworm eggs</p> Signup and view all the answers

    What is the drug of choice for treating hookworm infection?

    <p>Mebendazole</p> Signup and view all the answers

    What is the transmission mode of Trichomonas vaginalis?

    <p>Sexual intercourse</p> Signup and view all the answers

    What are the clinical presentations of Trichomoniasis?

    <p>Purulent malodorous thin discharge, burning with urination, genital itching</p> Signup and view all the answers

    What is a complication of Trichomoniasis?

    <p>Increased risk of HIV and other STIs</p> Signup and view all the answers

    How is Trichomoniasis diagnosed?

    <p>Nucleic acid amplification test (NAAT)</p> Signup and view all the answers

    What is the drug of choice for treating Trichomoniasis?

    <p>Metronidazole</p> Signup and view all the answers

    What should be done in terms of follow-up for Trichomoniasis treatment?

    <p>Repeat testing in all patients with a vagina</p> Signup and view all the answers

    Which parasite is commonly water-borne due to its resistance to chlorine in tap water?

    <p>Giardia</p> Signup and view all the answers

    What is a major risk factor for Giardiasis?

    <p>Lack of safe drinking water</p> Signup and view all the answers

    Which parasite primarily affects children aged 5-10?

    <p>Pinworm</p> Signup and view all the answers

    What is the most common roundworm infection worldwide?

    <p>Giant Roundworm</p> Signup and view all the answers

    Which parasite causes disease by attaching to the small intestine's epithelium?

    <p>Giardia</p> Signup and view all the answers

    What is a common clinical presentation of Giardiasis?

    <p>Diarrhea with mucus</p> Signup and view all the answers

    How is pinworm diagnosed?

    <p>Visual inspection and Scotch tape/paddle test</p> Signup and view all the answers

    What is a complication of Giardiasis?

    <p>Reactive arthritis</p> Signup and view all the answers

    What is a clinical presentation of Giant Roundworm infection?

    <p>Fever and coughing</p> Signup and view all the answers

    How is Giardiasis diagnosed?

    <p>Stool antigen detection assays, microscopy, and PCR assays</p> Signup and view all the answers

    What is a common treatment for Giardiasis?

    <p>Metronidazole, Tinidazole, or Nitazoxanide</p> Signup and view all the answers

    What is a risk factor for Pinworm infection?

    <p>Primary school-aged children</p> Signup and view all the answers

    Which parasite causes Malaria?

    <p>Plasmodium species</p> Signup and view all the answers

    What is the causative agent of Amebiasis?

    <p>Entamoeba histolytica</p> Signup and view all the answers

    Which parasite is commonly known as 'Pinworm'?

    <p>Enterobius vermicularis</p> Signup and view all the answers

    What is the causative agent of Trichomoniasis?

    <p>Trichomonas vaginalis</p> Signup and view all the answers

    What is the primary mode of transmission for Ancylostoma duodenale?

    <p>Fecal contamination of soil</p> Signup and view all the answers

    Which parasite is widely distributed in the Mediterranean basin, India, China, Japan, and the Pacific coastal areas of South America?

    <p>Ancylostoma duodenale</p> Signup and view all the answers

    What is a common clinical presentation of Trichomoniasis?

    <p>Genital itching</p> Signup and view all the answers

    What is the drug of choice for treating hookworm infection?

    <p>Mebendazole</p> Signup and view all the answers

    Which parasite causes disease by attaching to the small intestine's epithelium?

    <p>Ancylostoma duodenale</p> Signup and view all the answers

    What is a complication of Trichomoniasis?

    <p>PID</p> Signup and view all the answers

    What are the clinical presentations of hookworm infection?

    <p>Focal pruritic maculopapular rash at site of penetration</p> Signup and view all the answers

    What is a risk factor for Pinworm infection?

    <p>Inadequate hand hygiene</p> Signup and view all the answers

    What is a common treatment for Giardiasis?

    <p>Metronidazole</p> Signup and view all the answers

    What is a complication of Giardiasis?

    <p>Malabsorption</p> Signup and view all the answers

    What is a common clinical presentation of Giant Roundworm infection?

    <p>Nausea, diarrhea, vomiting</p> Signup and view all the answers

    What is a risk factor for Trichomoniasis?

    <p>Unprotected sexual intercourse</p> Signup and view all the answers

    What is the primary mode of transmission for Malaria?

    <p>Mosquito bite</p> Signup and view all the answers

    Which species of Plasmodium are known to infect humans?

    <p>P. falciparum, P. vivax, P. ovale, P. malariae</p> Signup and view all the answers

    What is the incubation time for Malaria?

    <p>8-60 days</p> Signup and view all the answers

    Which of the following is a clinical presentation of Malaria?

    <p>Abrupt chills</p> Signup and view all the answers

    What are the stages of Uncomplicated Malaria?

    <p>The cold stage, the hot stage, the sweating stage</p> Signup and view all the answers

    What is a manifestation of Severe Falciparum Malaria?

    <p>Unarousable coma/cerebral malaria</p> Signup and view all the answers

    What is the treatment for Amebiasis?

    <p>Metronidazole or tinidazole PLUS luminal amebicide</p> Signup and view all the answers

    What is the mechanism of action of Metronidazole?

    <p>Inhibits nucleic acid synthesis by disrupting the DNA</p> Signup and view all the answers

    What is the main route of elimination for Metronidazole?

    <p>Urine</p> Signup and view all the answers

    Which drug is classified as an intestinal amebicide?

    <p>Paromomycin (Humatin)</p> Signup and view all the answers

    What is a common clinical presentation of Giardiasis?

    <p>Abdominal discomfort</p> Signup and view all the answers

    What is the second most common parasitic infection in the U.S.?

    <p>Giardiasis</p> Signup and view all the answers

    Which parasite causes malaria in humans?

    <p>Plasmodium falciparum</p> Signup and view all the answers

    What is the incubation time for malaria?

    <p>8-60 days</p> Signup and view all the answers

    Which stage of malaria is characterized by fever, body aches, and fatigue?

    <p>Hot stage</p> Signup and view all the answers

    Which species of Plasmodium causes the most severe form of malaria?

    <p>Plasmodium falciparum</p> Signup and view all the answers

    What is the mechanism proposed for the development of cerebral malaria?

    <p>Adherence of parasitized erythrocytes to the cerebral vasculature</p> Signup and view all the answers

    What is the drug of choice for treating severe amebiasis?

    <p>IV Metronidazole</p> Signup and view all the answers

    What is the primary mode of action of Metronidazole in treating amebiasis?

    <p>Inhibition of nucleic acid synthesis</p> Signup and view all the answers

    Which parasite causes Giardiasis, also known as 'backpacker's diarrhea'?

    <p>Giardia lamblia</p> Signup and view all the answers

    What is a common clinical presentation of Giardiasis?

    <p>Abdominal discomfort</p> Signup and view all the answers

    What is the primary mode of action of Paromomycin in treating amebiasis?

    <p>Interference with bacterial protein synthesis</p> Signup and view all the answers

    Which parasite primarily affects children aged 5-10?

    <p>Ascaris lumbricoides</p> Signup and view all the answers

    What is the most common parasitic infection in the U.S.?

    <p>Enterobiasis</p> Signup and view all the answers

    How is Giardiasis primarily transmitted?

    <p>Through contaminated food and water</p> Signup and view all the answers

    What is a common risk factor for Giardiasis?

    <p>Lack of safe drinking water</p> Signup and view all the answers

    Which parasite causes disease by attaching to the small intestine's epithelium?

    <p>Giardia</p> Signup and view all the answers

    What is a common clinical presentation of Giardiasis?

    <p>Diarrhea with mucus</p> Signup and view all the answers

    What is the drug of choice for treating Giardiasis?

    <p>Metronidazole</p> Signup and view all the answers

    What is a common complication of Giardiasis?

    <p>Dehydration</p> Signup and view all the answers

    What is a common clinical presentation of Pinworm infection?

    <p>Perianal pruritus</p> Signup and view all the answers

    How is Pinworm infection diagnosed?

    <p>Visual inspection and Scotch tape/paddle test</p> Signup and view all the answers

    Which parasite primarily affects children aged 2-10 and causes clinical presentations such as fever, coughing, and abdominal cramps?

    <p>Giant Roundworm</p> Signup and view all the answers

    What is a common complication of Giant Roundworm infection?

    <p>Biliary obstruction</p> Signup and view all the answers

    What is the most common nematode infection worldwide, primarily affecting children aged 5-10?

    <p>Pinworm</p> Signup and view all the answers

    What is a risk factor for Pinworm infection?

    <p>Attending daycare or school</p> Signup and view all the answers

    Study Notes

    Intestinal Parasitic Infections: Giardiasis, Pinworm, Giant Roundworm, and Hookworm

    • Giardiasis is transmitted via the fecal-oral route and is commonly water-borne due to Giardia's resistance to chlorine in tap water.
    • Giardiasis is widespread and more common in areas with poor sanitation and limited water treatment facilities.
    • The risk factors for Giardiasis include children, working with children, lack of safe drinking water, unprotected anal sex, living in endemic areas, being a traveler, and being immunocompromised.
    • Humans acquire giardiasis by ingesting the cyst form of the parasite, which then transforms into trophozoites causing disease by attaching to the small intestine's epithelium.
    • The clinical presentation of Giardiasis includes diarrhea with mucus, foul-smelling, nausea, vomiting, malaise, flatulence, weight loss, and dehydration.
    • Diagnosis of Giardiasis involves stool antigen detection assays, microscopy, and PCR assays.
    • Treatment for Giardiasis includes hydration and medications such as Metronidazole, Tinidazole, or Nitazoxanide.
    • Complications of Giardiasis may include dehydration, persistent or recurrent symptoms, failure to thrive in children, reactive arthritis, IBS, and lactose intolerance.
    • Pinworm (Enterobius vermicularis) is one of the most common nematode infections worldwide, occurring in both temperate and tropical climates and primarily affecting children aged 5-10.
    • Clinical presentation of pinworm includes perianal pruritus, insomnia, weight loss, irritability, and secondary skin infections.
    • Diagnosis of pinworm involves visual inspection and the Scotch tape/paddle test, while treatment includes medications such as Albendazole, mebendazole, or pyrantel.
    • Giant Roundworm (Ascaris lumbricoides) is the most common roundworm infection worldwide, with the highest prevalence in Asia and among children aged 2-10. The infection is favored in tropical climates and areas with poor sanitation practices.
    • Clinical presentation of giant roundworm includes fever, coughing, wheezing, nausea, vomiting, abdominal cramps, colonic obstruction, biliary obstruction, and intestinal perforation.

    Intestinal Parasitic Infections: Giardiasis, Pinworm, Giant Roundworm, and Hookworm

    • Giardiasis is transmitted via the fecal-oral route and is commonly water-borne due to Giardia's resistance to chlorine in tap water.
    • Giardiasis is widespread and more common in areas with poor sanitation and limited water treatment facilities.
    • The risk factors for Giardiasis include children, working with children, lack of safe drinking water, unprotected anal sex, living in endemic areas, being a traveler, and being immunocompromised.
    • Humans acquire giardiasis by ingesting the cyst form of the parasite, which then transforms into trophozoites causing disease by attaching to the small intestine's epithelium.
    • The clinical presentation of Giardiasis includes diarrhea with mucus, foul-smelling, nausea, vomiting, malaise, flatulence, weight loss, and dehydration.
    • Diagnosis of Giardiasis involves stool antigen detection assays, microscopy, and PCR assays.
    • Treatment for Giardiasis includes hydration and medications such as Metronidazole, Tinidazole, or Nitazoxanide.
    • Complications of Giardiasis may include dehydration, persistent or recurrent symptoms, failure to thrive in children, reactive arthritis, IBS, and lactose intolerance.
    • Pinworm (Enterobius vermicularis) is one of the most common nematode infections worldwide, occurring in both temperate and tropical climates and primarily affecting children aged 5-10.
    • Clinical presentation of pinworm includes perianal pruritus, insomnia, weight loss, irritability, and secondary skin infections.
    • Diagnosis of pinworm involves visual inspection and the Scotch tape/paddle test, while treatment includes medications such as Albendazole, mebendazole, or pyrantel.
    • Giant Roundworm (Ascaris lumbricoides) is the most common roundworm infection worldwide, with the highest prevalence in Asia and among children aged 2-10. The infection is favored in tropical climates and areas with poor sanitation practices.
    • Clinical presentation of giant roundworm includes fever, coughing, wheezing, nausea, vomiting, abdominal cramps, colonic obstruction, biliary obstruction, and intestinal perforation.

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    Description

    Test your knowledge of intestinal parasitic infections with this quiz covering Giardiasis, Pinworm, Giant Roundworm, and Hookworm. Learn about transmission, clinical presentation, diagnosis, treatment, and complications of these common parasitic infections.

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